EP 1850460 A2 20071031 - Winding insulation applied with a single vacuum pressure impregnation
Title (en)
Winding insulation applied with a single vacuum pressure impregnation
Title (de)
Statorwicklungsisolierung mit einem einzigen Vakuumimprägnierungsverfahren
Title (fr)
Isolation d'enroulements avec une seule étape d'imprégnation sous vide
Publication
Application
Priority
JP 2006121489 A 20060426
Abstract (en)
The present invention is designed to provide an insulation coil with high insulation reliability using a dry mica tape, an integral impregnation coil and a mica tape for the electrical rotating machines using these coils, said mica tape having a long shelf life and capable of preventing run-off of the impregnating epoxy resin composition during curing, with the cured product of said epoxy resin composition being high in heat resistance. It is also envisaged to provide a single insulation coil using a mica tape containing epoxy adduct imidazole as an epoxy resin curing catalyst or a mica tape containing a mixture of epoxy adduct imidazole and zinc naphthenate. An integral impregnation coil made by using said insulation coil and an epoxy resin composition, and the electrical rotating machines using such coils are also provided.
IPC 8 full level
H01B 3/40 (2006.01); H02K 3/30 (2006.01); H02K 15/12 (2006.01)
CPC (source: EP US)
H01B 3/40 (2013.01 - EP US); H02K 3/30 (2013.01 - EP US); H02K 15/12 (2013.01 - EP US); Y10T 428/2907 (2015.01 - EP US); Y10T 428/2911 (2015.01 - EP US)
Designated contracting state (EPC)
DE FR GB
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
EP 1850460 A2 20071031; EP 1850460 A3 20100804; EP 1850460 B1 20121031; JP 2007294702 A 20071108; JP 4893085 B2 20120307; US 2007252449 A1 20071101; US 8314342 B2 20121120
DOCDB simple family (application)
EP 07003894 A 20070226; JP 2006121489 A 20060426; US 67924907 A 20070227